Which type of landform would you likely find alongside a river?

Embankments are structures built alongside rivers primarily for flood control and to manage water flow. They help to protect adjacent land from flooding and can stabilize the banks of the river. Embankments can be constructed from various materials including earth, rocks, and concrete, and they often serve multiple purposes such as recreation and transportation alongside water bodies.

In contrast, mountains, deserts, and swamps represent different types of landscapes that are not typically formed specifically along the banks of rivers. Mountains may be found in the broader vicinity of river systems but are not a direct feature of river landscapes. Deserts, characterized by aridity, are also unlikely to exist near rivers since they typically require dry conditions. Swamps, while they can be associated with water bodies, are more specific to areas with permanent wetlands and may not be present all along river courses. Thus, embankments are the most relevant landform directly associated with the presence and management of rivers.